Patent US4021043A successfully refreshed from Google Patents.
US4021043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method providing chess apparatus
Assignee: Individual
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Filing: 1974-08-12
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Granted: 1977-05-03
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Expires: 1994-08-12
Abstract
Abstract The two sets of chess pieces being positioned on opposing ends of a chess board are each divided into readily identifiable half-sets. The half-sets are then moved over the chess board as separate entities by two, three or four players in accordance with predetermined rules.
Inventors
- 👤 Ronald Ray Lucero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:08
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A method of providing a chess game apparatus comprising making first and second half-sets, including at least one King half-set which comprises four Pawns, a Bishop, Knight and Rook and at least one Queen half-set which comprises four Pawns, a Bishop, Knight and Rook, distinguishable and combining the thus provided first and second half-sets to form one or more team-sets.
Claim 2
Independent Claim
60 words
A method of providing a chess game apparatus comprising making first and second half-sets, including at least one King half-set which comprises four Pawns, a Bishop, Knight and Rook and at least one Queen half-set which comprises four Pawns, a Bishop, Knight and Rook, distinguishable and combining the thus provided first and second half-sets to form one or more team-sets.
References Cited (Backward Citations)
US3829099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-02 | 1980-11-01 | 1981-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-02 | 1984-11-01 | 1985-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-02 | 1988-11-01 | 1989-05-03 | $7700.00 | Window Closed / Lapsed |